Method buildUI

src/gui/TxApplet.cpp:119–415

}

void TxApplet::buildUI()
{
    auto* outer = new QVBoxLayout(this);
    outer->setContentsMargins(0, 0, 0, 0);
    outer->setSpacing(0);

    // Body with margins
    auto* body = new QWidget;
    auto* vbox = new QVBoxLayout(body);
    vbox->setContentsMargins(4, 2, 8, 2);
    vbox->setSpacing(2);

    // ── Forward Power gauge (0–120 W, red > 100 W) ─────────────────────────
    m_fwdGauge = new HGauge(0.0f, 120.0f, 100.0f, "RF Pwr", "W",
        {{0, "0"}, {40, "40"}, {80, "80"}, {100, "100"}, {120, "120"}},
        this, 80.0f);
    m_fwdGauge->setAccessibleName("Forward power gauge");
    m_fwdGauge->setAccessibleDescription("RF forward power in watts");
    // Mouse-over readout: exact watts, so the operator isn't left estimating
    // between the 40 W tick marks while transmitting. (#3936)
    static_cast<HGauge*>(m_fwdGauge)->setHoverValueFormatter([](float v) {
        return QStringLiteral("%1 W").arg(QString::number(std::lround(v)));
    });
    static_cast<HGauge*>(m_fwdGauge)->setHoverValuePopupEnabled(true);
    vbox->addWidget(m_fwdGauge);

    // ── SWR gauge (1.0–3.0, red > 2.5) ─────────────────────────────────────
    m_swrGauge = new HGauge(1.0f, 3.0f, 2.5f, "SWR", "",
        {{1.0f, "1"}, {1.5f, "1.5"}, {2.5f, "2.5"}, {3.0f, "3"}},
        this, 2.0f);
    m_swrGauge->setAccessibleName("SWR gauge");
    m_swrGauge->setAccessibleDescription("Standing wave ratio");
    // Mouse-over readout: exact ratio in the conventional N.N:1 form.
    static_cast<HGauge*>(m_swrGauge)->setHoverValueFormatter([](float v) {
        return QStringLiteral("%1:1").arg(QString::number(v, 'f', 2));
    });
    static_cast<HGauge*>(m_swrGauge)->setHoverValuePopupEnabled(true);
    vbox->addWidget(m_swrGauge);

    // ── RF Power slider ─────────────────────────────────────────────────────
    {
        auto* row = new QHBoxLayout;
        row->setSpacing(4);
        auto* label = new QLabel("RF Power:");
        AetherSDR::ThemeManager::instance().applyStyleSheet(label, "QLabel { color: {{color.text.secondary}}; font-size: 10px; }");
        label->setFixedWidth(62);
        row->addWidget(label);

        m_rfPowerSlider = new GuardedSlider(Qt::Horizontal);
        m_rfPowerSlider->setRange(0, 100);
        m_rfPowerSlider->setDragValueFormatter(percentText);
        applyPrimarySliderStyle(m_rfPowerSlider);
        m_rfPowerSlider->setAccessibleName("RF power");
        m_rfPowerSlider->setAccessibleDescription("Transmit RF power level, 0 to 100 percent of maximum");
        row->addWidget(m_rfPowerSlider, 1);

        m_rfPowerLabel = new QLabel("100");
        AetherSDR::ThemeManager::instance().applyStyleSheet(m_rfPowerLabel, "QLabel { color: {{color.text.primary}}; font-size: 10px; }");